Home / 21,362,086.60-32,068,013.10-12,852,032.20

Finding the Fourth Proportional to 21,362,086.60, 32,068,013.10 and 12,852,032.20

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Solution

The fourth proportional to 21,362,086.60, 32,068,013.10 and 12,852,032.20 is: 19,293,018.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,362,086.60 : 32,068,013.10 = 12,852,032.20 : x
  2. Step 2: Convert to fraction form
    21,362,086.60/32,068,013.10 = 12,852,032.20/x
  3. Step 3: Cross multiply
    21,362,086.60x = 32,068,013.10 × 12,852,032.20
  4. Step 4: Simplify right side
    21,362,086.60x = 412,139,136,951,221.81
  5. Step 5: Solve for x
    x = 412,139,136,951,221.81/21,362,086.60
  6. Step 6: Final answer
    x = 19,293,018.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.